#include <gdk/gdkx.h>
#include <gtk/gtk.h>

static gboolean movexxx(gpointer d)
{
    GdkRectangle mon;
    gdk_screen_get_monitor_geometry(gdk_screen_get_default(), 1, &mon);
    g_warning("move w to %d %d", mon.x, mon.y);
    gtk_window_move((GtkWindow *)d, mon.x, mon.y);
    return FALSE;
}

static void activate(GtkApplication *app, gpointer user_data)
{
    GtkWidget *window;

    window = gtk_application_window_new(app);
    gtk_window_set_title(GTK_WINDOW(window), "Window");
    gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);

    gtk_window_fullscreen(GTK_WINDOW(window));

    gtk_widget_show_all(window);

    g_timeout_add(2000, (GSourceFunc)movexxx, window);
}

int main(int argc, char **argv)
{
    GtkApplication *app;
    int status;

    app = gtk_application_new("org.gtk.example", G_APPLICATION_FLAGS_NONE);
    g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
    status = g_application_run(G_APPLICATION(app), argc, argv);
    g_object_unref(app);

    return status;
}
